EP3853110B1 - Véhicule électrique compact à trois roues - Google Patents

Véhicule électrique compact à trois roues Download PDF

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Publication number
EP3853110B1
EP3853110B1 EP19774087.1A EP19774087A EP3853110B1 EP 3853110 B1 EP3853110 B1 EP 3853110B1 EP 19774087 A EP19774087 A EP 19774087A EP 3853110 B1 EP3853110 B1 EP 3853110B1
Authority
EP
European Patent Office
Prior art keywords
vehicle
frame
front wheels
wheeled
seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19774087.1A
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German (de)
English (en)
Other versions
EP3853110A1 (fr
Inventor
Adrian BURRI MICHEL
Hans-Jörg Dennig
Cyrill JACOMET
Salome Johanna BERGER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Share Your Bicar AG
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Share Your Bicar Ag
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Publication date
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Publication of EP3853110A1 publication Critical patent/EP3853110A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/10—Cycles with handlebars, equipped with three or more main road wheels with means for inwardly inclining the vehicle body on bends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D31/00—Superstructures for passenger vehicles
    • B62D31/003—Superstructures for passenger vehicles compact cars, e.g. city cars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D23/00—Combined superstructure and frame, i.e. monocoque constructions
    • B62D23/005—Combined superstructure and frame, i.e. monocoque constructions with integrated chassis in the whole shell, e.g. meshwork, tubes, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D61/00—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern
    • B62D61/06—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with only three wheels
    • B62D61/065—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with only three wheels with single rear wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/02—Tricycles
    • B62K5/027—Motorcycles with three wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/02—Tricycles
    • B62K5/05—Tricycles characterised by a single rear wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/02—Tricycles
    • B62K5/06—Frames for tricycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/08—Cycles with handlebars, equipped with three or more main road wheels with steering devices acting on two or more wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/80—Accessories, e.g. power sources; Arrangements thereof
    • B62M6/85—Solar cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/80—Accessories, e.g. power sources; Arrangements thereof
    • B62M6/90—Batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2204/00—Adaptations for driving cycles by electric motor

Definitions

  • the invention relates to a three-wheeled electric vehicle according to the preamble of claim 1, having a front axle device with two steerable front wheels which are aligned essentially parallel to one another when running in a straight line; a rear axle assembly having a driven rear wheel; and a vehicle frame on which the front axle device and the rear axle device are supported, the front axle device being designed in such a way that the vehicle frame and the front wheels can be tilted in the direction of the steering angle when the steering wheel is turned.
  • WO 2017/064631 A1 a three-wheeled vehicle is shown which has a specific configuration of the parallel kinematic front wheel suspension, with no details of the further structure of the vehicle being described.
  • the object on which the invention is based is seen in specifying a three-wheeled electric vehicle in which the above disadvantages can be avoided.
  • the distance SP between the front wheels, which are arranged essentially parallel when running straight ahead, is to be understood as what is known as the toe and is measured in the middle in relation to the width of the wheels.
  • Such a configuration of the vehicle ensures that the vehicle only takes up a small amount of traffic area or space while at the same time ensuring safe driving stability due to the tilting technology used when cornering.
  • the wheelbase RS can be 1300mm or less, in particular 900mm to 1100mm, and the distance SP between the front wheels, which are arranged essentially parallel when running straight ahead, can be 1000mm or less and 500mm or more, in particular 600mm to 800mm.
  • such a vehicle usually occupies an area that is less than 1.5m 2 .
  • the wheelbase RS and the distance (track SP) can be selected so that a rectangle circumscribing the three wheels, which can be understood as a kind of projected base area of the vehicle, which consists, for example, of the vehicle length and the Vehicle width can be determined as rectangle sides, has an area of about 0.8 to 1.2 m 2 .
  • the three-wheel electric vehicles described herein can be accommodated in the same space currently occupied by a single small or mid-size vehicle.
  • the rear wheel can be arranged centrally between the front wheels when driving in a straight line, such that an angle of 15° or more, in particular 17.5°, is formed between a central longitudinal axis of the vehicle and an imaginary connecting line between the rear wheel and one of the front wheels and more.
  • the imaginary connecting line can be measured, for example, from the respective center points of the rear wheel and the relevant front wheel. Defining a minimum angle ensures that the vehicle has a secure footing on its three wheels. Usually the angle will not be greater than 30°.
  • a seat device for a driver of the vehicle can be arranged on the vehicle frame, with a seat surface of a seat of the seat device lying at a height of 700 mm or more above the base supporting the vehicle when the vehicle is not loaded. This ensures that people of different sizes can sit in the vehicle and operate the vehicle.
  • the vehicle's seating arrangement is designed in such a way that both a 5th percentile woman and a 95th percentile man can comfortably fit in it.
  • the seat of the seat device can be adjustable in the longitudinal direction of the vehicle relative to the vehicle frame, in particular by 150 to 200 mm along an adjustment plane that is essentially parallel or inclined to the ground. This makes it possible to set an optimal position for the driver in the vehicle, so that on the one hand operation is convenient and on the other hand people of different heights have a good overview when driving.
  • the seat can be adjusted in the longitudinal direction parallel to the floor or underground or at an angle diagonally backwards and upwards of more than 0° to 20°.
  • the seat device can have a backrest which can be adjusted with the seat in the longitudinal direction of the vehicle and/or which can be adjusted relative to the seat. It is conceivable that the backrest can be adjusted both in terms of its position in the longitudinal direction relative to the vehicle seat, but can also optionally be adjusted in terms of its inclination.
  • the vehicle frame is self-contained and designed in such a way that it surrounds a driver accommodated in the vehicle, in particular surrounds the upper body and the head of a driver.
  • Such a configuration increases safety for a driver of the vehicle, particularly in the event of a collision.
  • such a frame structure also offers improved options with regard to protecting an occupant from the effects of the weather.
  • a safety device in particular a seat belt device, is arranged on the vehicle frame, with at least one holding point of the safety device being arranged on the vehicle frame in such a way that forces acting on the safety device are introduced into an upper and/or front section of the vehicle frame. It can thus be achieved that forces acting in particular in the event of a collision are optimally distributed over the entire vehicle frame. In contrast to this, it is often the case with known three-wheeled vehicles that breakpoints are only provided in a lower area of the vehicle or are attached to the seat itself.
  • Cladding which is formed from at least one cladding element, can be arranged on the vehicle frame.
  • the casing can be designed in such a way that access to the vehicle is made possible from obliquely behind or from the side in relation to its longitudinal direction.
  • the casing can have at least one transparent casing element designed as a front pane.
  • the cladding serves as weather protection for the occupants of the vehicle. Furthermore, the casing forms an aerodynamically optimized shell so that the air resistance of the vehicle can be kept as low as possible.
  • the casing can have at least one solar module.
  • at least part of the electricity required to drive the vehicle can be obtained from solar energy.
  • the vehicle frame can also be designed in such a way that a storage space is formed in an area above the front wheels.
  • This storage space is used to hold items such as a bag, backpack or the like that are to be carried by an occupant.
  • the stowage compartment is protected by the cladding against the effects of the weather.
  • the storage space is accessible to an occupant from inside the vehicle.
  • the storage space can be an open or completely closed compartment. Access from the front is also possible and the compartment can be lockable.
  • the compartment is unlocked and locked and an associated electromechanical lock is activated by actuating a trigger command on an actuator on the vehicle or software, which the user triggers on their mobile device (smartphone) and the on-board electronics via Bluetooth or another wireless communication solution of the vehicle is controlled.
  • the lock can also be activated by operating a switch in the vehicle.
  • the electric drive is designed as a wheel hub motor that acts on the rear wheel. This enables a simple and low-maintenance power transmission from the electric motor to the rear wheel to be driven.
  • the vehicle can have a battery arrangement with at least one battery, the battery arrangement being designed in such a way that the at least one battery is accommodated in a detachable anchorage, with the battery being accommodated in the anchorage simultaneously making electrical contact from the battery to the power supply lines of the vehicle in a detachable manner is.
  • the battery arrangement can be provided in particular in a lower area of the vehicle, for example below a footrest for the occupant. Alternatively, a battery can also be arranged underneath the seat.
  • the battery arrangement can have a battery compartment in a base plate, which is provided with a cover, with a lock being provided on the cover, which can be unlocked by activating a switch or triggering activation on a mobile radio device. This frees access to the battery, which can then be removed with one hand.
  • the battery compartment is formed in particular by elements of the vehicle frame and is provided with a base plate facing a footwell of the vehicle.
  • the front axle device together with a tilting mechanism for the front wheels, is detachably connected to the vehicle frame as an entire unit.
  • the rear axle device can be releasably connected to the vehicle frame as a unit together with a wheel suspension and a spring device. This enables a modular construction of the vehicle essentially from the components or modules front axle device, rear axle device, vehicle frame and cladding.
  • the three-wheeled vehicle may include at least one tilt actuator configured to adjust the lateral tilt of the vehicle when cornering.
  • the driving behavior of the vehicle can be optimized, with extreme driving situations or inclinations in particular being able to be mitigated or avoided.
  • the at least one tilt actuator can be set up to set the lateral tilt based on at least one driving data variable, in particular based on a detected steering angle and/or the speed of the vehicle and/or the lateral inclination of the vehicle to the ground.
  • the at least one actuator can be attached to the part of the vehicle to be tilted, so that it can influence the lateral inclination by means of a gear transmission, which is attached to the parallelogram of the tilting kinematics.
  • a gear transmission which is attached to the parallelogram of the tilting kinematics.
  • the lateral inclination can also be formed from one or more linear cylinders or other actuators than inclination actuator(s), so that the angle between wheel connecting rods and part of the vehicle to be inclined can be changed.
  • the acting inclination actuator(s) can act on the inclination kinematics directly or via a transmission device, such as a kinematic linkage, a cable pull or the like.
  • the at least one inclination actuator can be used to block the inclination, for example, or to regulate it as a function of various input parameters.
  • a control of the lateral inclination is thus possible, for example, as a function of the driving speed or the steering angle, independently of the actions of the driver. If the lateral inclination is regulated as a function of the inclination of the vehicle relative to the ground, the vehicle can in particular tip over be prevented.
  • the inclination actuator can also be designed in such a way that it can be activated or deactivated.
  • the three-wheeled vehicle can include at least one steering actuator that is set up to adjust a steering angle of the front wheels.
  • the at least one steering actuator can be set up to carry out steering movements completely automatically or to at least partially support manual steering movements by a user or only allow manual steering movements by the user.
  • the steering by means of the steering actuator can be switched off (deactivated) up to and including 100% (automatic steering activated), for example, between 100%.
  • intermediate stages of the activation of the steering actuator are also conceivable, in which the steering actuator can support and/or correct manually executed steering movements. If automatic steering is activated, the driver does not have to make any steering movements.
  • the steering actuator can then be controlled, for example, by a control unit or software.
  • the steering angle can be determined, for example, based on various input parameters, such as input parameters that are detected by sensors on the vehicle and/or are transmitted/received on the vehicle using a mobile communications interface.
  • input parameters such as input parameters that are detected by sensors on the vehicle and/or are transmitted/received on the vehicle using a mobile communications interface.
  • a type of passive or remote-controlled, autonomous movement of the vehicle without a user is also conceivable in order to move a vehicle, for example, from a storage location to a handover location or vice versa.
  • the vehicle frame of the three-wheeled vehicle can be formed from at least two frame modules, the frame modules being detachably coupled to one another and/or being movably coupled to one another.
  • the vehicle may include a front frame module on which a windshield is disposed.
  • the vehicle can include a rear frame module on which a backrest of a vehicle seat is arranged.
  • the vehicle can include an upper frame module on which a vehicle roof is arranged.
  • the front frame module and the upper frame module can also be designed as a common front frame module that includes the windshield and the vehicle roof.
  • the vehicle can include a lower frame module on which the front axle device and the rear axle device are arranged.
  • the frame modules can be coupled to one another or dismantled from one another without tools. This simplifies the assembly and disassembly of a vehicle. Due to the modular design, it is also possible to quickly replace damaged frame modules, so that a vehicle can be put back into operation after a short standstill or repair time.
  • the frame modules described here can be combined with the components or modules of the front axle device and rear axle device described above, which can be designed as a unit.
  • the frame modules mentioned can also be connected to one another in an articulated manner, so that they can be moved, rotated or pivoted relative to one another.
  • a joint can be used which can be fixed in one position and released so that the frame module can be folded around this joint, for example.
  • the frame modules are designed to be completely removable, they can be connected to one another, for example, by a plug connection and/or screwed and/or fixed to one another by means of pins.
  • the vehicle 10 has a rear axle device 12 with a rear wheel 14 .
  • the rear axle device 12 includes, for example, a movable wheel suspension 18 and a suspension device 20 with a shock absorber.
  • a front axle 22 two front wheels 24a, 24b are arranged, of which in the 1 only the left front wheel 24b is visible.
  • the rear axle device 12 and the front axle device 22 are supported on a vehicle frame 26 .
  • the vehicle frame 26 is self-contained and designed in such a way that it surrounds an occupant or driver accommodated in the vehicle 10, in particular surrounds the upper body and the head of a driver.
  • the two front wheels 24a, 24b are designed to be steerable.
  • the two front wheels 24a, 24b are coupled to a steering device 30, for example a steering rod, so that the driver can determine a direction of travel by moving the steering device 30.
  • the front axle device has a parallel kinematic wheel suspension 32, so that the front wheels 24a, 24b and the vehicle frame 26 can be inclined towards the inside of the curve when cornering. This is exemplified in the 3 1, wherein the vehicle 10 is shown in a right-leaning position.
  • the vehicle frame 26 here comprises two main frames 34a, 34b, which are each designed as closed or peripheral support elements.
  • the two main frames 34a, 34b can be formed from a plurality of main frame sections which are connected to one another.
  • the connection of frame elements or frame sections can be detachable or non-detachable and/or material-locking (welded, glued) and/or form-locking (clamped, screwed).
  • the main frames 34a, 34b include a front main frame portion 36a, 36b and a rear main frame portion 38a, 38b coupled together at joints 40a, 40b.
  • the rear axle device 12 and the front axle device 22 are connected to the two main frames 34a, 34b.
  • the main frames 34a, 34b form a type of chassis of the vehicle, which is connected to the chassis (axle devices 12, 22 with wheels 14, 24a, 24b).
  • Auxiliary frames 42a, 42b are attached laterally to the two main frames 34a, 34b.
  • the auxiliary frames 42a, 42b are connected to the respective main frame 34a, 34b, in particular by means of a plurality of struts 44a, 44b.
  • the auxiliary frames 42a, 42b serve in particular to support a casing for the vehicle 10, which is to be described later.
  • vehicle frame 26 with main frame 34a, 34b and auxiliary frame 42a, 42 shown here is purely exemplary. It is also conceivable that laterally outer frame elements, such as those shown here as auxiliary frames 42a, 42b, serve as the main frame. Furthermore, it is pointed out that the vehicle frame can also have other frame elements and connections and can also have geometrically different shapes than those shown here. It is essential that the vehicle frame is a closed construction surrounding the occupants or driver.
  • FIG. 4 shows the vehicle 10 in a perspective view obliquely from the front.
  • the reference numerals shown reference is made to the above description Figures 1 to 3 referenced, in which each of these reference numbers has already been described.
  • the axis of rotation RV of the front wheels 24a, 24b when the vehicle is traveling in a straight line and the axis of rotation RH of the rear wheel are also indicated.
  • the front wheels 24a, 24b are aligned essentially parallel to one another when the vehicle is traveling in a straight line.
  • the front axle device 22 together with a tilting kinematic mechanism 32 of the front wheels 24a, 24b can be releasably connected to the vehicle frame 26 as an entire unit.
  • the rear axle device 12 together with the wheel suspension 18 ( 1 ) and a suspension device 20 ( 1 ) be detachably connected to the vehicle frame 26 as a unit.
  • figure 5 shows the two front wheels 24a, 24b and the rear wheel 14 of the vehicle 10 in a schematic view.
  • the two axes of rotation RV and RH ( 4 ) drawn again.
  • the dashed lines SR and SL illustrate the respective toe of the relevant front wheel 24a, 24b.
  • the two front wheels 24a, 24b are in the figure 5 shown in the straight line of the vehicle 10, wherein the two front wheels 24a, 24b are aligned parallel to each other substantially.
  • the dot-dash line LA shows a central longitudinal axis of the vehicle 10. This longitudinal axis LA also illustrates the track of the rear wheel 14 when the vehicle 10 is traveling in a straight line.
  • a wheelbase RS is measured between the two axes of rotation RV and RH.
  • the wheelbase is measured between the wheel centers of the front wheels 24a, 24b and the rear wheel.
  • the distance between the two front wheels 24, 24b and their track width SP is measured between the two track lines SL and SR.
  • the track width is the distance between the wheel contact points of the two front wheels 24a, 24b.
  • the vehicle presented here has a very compact design.
  • This design can be expressed by the following indexes, which are obtained with reference to the figure 5 to be determined.
  • the wheelbase RS is 1300mm or less, in particular 900mm to 1100mm.
  • the wheelbase RS of the vehicle 10 is thus on the order of a bicycle.
  • the distance SP (track width) between the front wheels 24a, 24b, which are arranged essentially parallel when traveling straight ahead, is 1000 mm or less and 500 mm or more, in particular 600 mm to 700 mm. This results in a generally and specifically with a wheelbase of 900mm to 1100mm and a track width of the front wheels 24a, 24b of 600mm to 700mm a very compact design of the vehicle 10, the vehicle having a very small space requirement.
  • a rectangle UR surrounding the three wheels 14, 24a, 24b, as shown in FIG figure 5 illustrated with hatching an area smaller than 1.5m 2 .
  • the wheelbase RS and the track width SP can be selected so that the rectangle UR circumscribing the three wheels, which can be understood as a kind of projected base area of the vehicle and which can be determined, for example, from the vehicle length and the vehicle width as the sides of the rectangle, an area from about 0.8 to 1.2 m 2 .
  • the rear wheel 14 is arranged centrally between the front wheels 24a, 24b when traveling straight ahead, such that between the central longitudinal axis LA of the vehicle 10 and an imaginary connecting line VL between the rear wheel 14 and a of the front wheels 24a an angle ⁇ is formed which is 15° and more, in particular 17.5° and more.
  • the angle ⁇ will not be larger than 40°, in particular it is smaller than 35°.
  • a seat device 46 should be arranged in vehicle 10 in such a way that a seat surface 48 of a seat 50 of seat device 46 when the vehicle is not loaded is at a height HS above the Vehicle 10 is supporting ground UG, which is 700mm or more. This is simplified in 1 illustrated. It should be noted that the measurement of the height HS does not take into account any cushion placed on the seat 50 can remain, because this is subject to deformations that are dependent on the body weight of the driver.
  • the seat 50 of the seat device 46 can be designed to be adjustable in the longitudinal direction of the vehicle 10 relative to the vehicle frame 26 .
  • the seat assembly 46 can be an in 1 backrest 52 indicated by dashed lines, which can be adjusted with the seat 50 in the longitudinal direction of the vehicle 10 and/or which can be adjusted relative to the seat 50 .
  • a safety device 54 in particular a safety belt device, is arranged on the vehicle frame 26, in particular on its main frame 34a, 34b.
  • At least one holding point 56 of safety device 54 is arranged on vehicle frame 26 in such a way that forces acting on the safety device are introduced into an upper and/or front section of vehicle frame 26, in particular main frame 34a, 34b and/or auxiliary frame 42a, 42 become.
  • Another holding point 58 is arranged, for example, below the seat 50 on the vehicle frame 26 or a main frame 34a, 34b.
  • the shell 60 is in the present example 6 formed purely by way of example from a front cladding element 62 , a transparent pane cladding element 64 and a roof cladding element 66 .
  • the cladding 60 is designed in particular in such a way that access to the vehicle in relation to its longitudinal direction is made possible, in particular from both sides at an angle from behind or from the side, which is indicated by the two arrows ZR in Figure 6C is illustrated.
  • the casing 60 can have at least one solar module.
  • a solar module can be part of a roof cladding element 66 or a front cladding element 62, for example.
  • the vehicle frame of vehicle 10 is designed in such a way that a storage space 68 is formed in a region above front wheels 24a, 24b, Figure 6A is illustrated purely schematically as a dashed rectangle.
  • the electric drive can be designed as a wheel hub motor 70 that acts on the rear wheel 14 .
  • the vehicle 10 can have a battery arrangement 72 which is arranged, for example, below the seat 50, although other positions within the vehicle 10 are also conceivable, for example in the area of a footrest 74.
  • a battery arrangement has at least one battery and is preferably designed in such a way that the at least one battery is accommodated in a detachable anchorage, with the battery accommodated in the anchorage simultaneously making electrical contact from the battery to the power supply lines of the vehicle in a detachable manner.
  • the battery arrangement can have a battery compartment in a base plate, which is provided with a cover, wherein a lock can be provided on the cover, which can be unlocked by activating a switch or triggering activation on a mobile radio device.
  • the vehicle frame 26 also includes two main frames 34a, 34b, which in the assembled state of the vehicle 10 are each designed as closed or peripheral support elements.
  • the two main frames 34a, 34b can be formed from a plurality of main frame sections which are connected to one another.
  • the connection of frame elements or frame sections can be detachable or non-detachable and/or material-locking (welded, glued) and/or form-locking (clamped, screwed).
  • the main frames 34a, 34b include a front main frame portion 36a, 36b and a rear main frame portion 38a, 38b coupled together at joints 40a, 40b.
  • the rear axle device 12 and the front axle device 22 are connected to the two main frames 34a, 34b.
  • the main frames 34a, 34b form a type of chassis of the vehicle, which is connected to the chassis (axle devices 12, 22 with wheels 14, 24a, 24b).
  • Auxiliary frames 42a, 42b are attached laterally to the two main frames 34a, 34b.
  • the auxiliary frames 42a, 42b are connected to the respective main frame 34a, 34b, in particular by means of a plurality of struts 44a, 44b.
  • the auxiliary frames 42a, 42b are used in particular to support the casing for the vehicle 10, which is not shown here.
  • vehicle frame 26 shown here with the main frame 34a, 34b and auxiliary frame 42a, 42 is purely an example. It is also conceivable that laterally outer frame elements, such as those shown here as auxiliary frames 42a, 42b, serve as the main frame. Furthermore, it is pointed out that the vehicle frame also has other frame elements and compounds, and may also have geometric shapes other than those illustrated herein. It is essential that the vehicle frame is a closed construction surrounding the occupants or driver.
  • the vehicle frame 26 also includes two angle sections 43a, 43b arranged laterally at the rear.
  • the angle sections 43a, 43b are attached to the rear main frame sections 38a, 38b.
  • the angle portions 43a, 43b form a kind of laterally and forwardly protruding protective members that can protect a vehicle user from a lateral rear impact.
  • the angle sections 43a, 43b can serve as protection for the shoulders of a user if the vehicle 10 should tip over to the side, for example as a result of the action of external forces (side impact from another road user). It is pointed out in this connection that the vehicle 10 does not tip over during normal driving due to its compactness value (see description above), but stands or drives stably on its three wheels in every driving situation and cornering.
  • a tilting actuator 33 is provided in this embodiment.
  • the tilting actuator 33 is designed as a motor with a pinion 35, for example.
  • the pinion 35 engages in a curved rack 37, the ends 39a, 39b of which are connected to a cross member of the wheel suspension 32.
  • the inclination actuator 33 is used in particular to adjust the lateral inclination of the vehicle 10 by appropriately controlling the motor or pinion 35 .
  • the configuration of the tilt actuator 33 with a pinion 35 shown here is purely exemplary.
  • the inclination actuator 33 can also be formed by one or more adjusting cylinders, in which case the adjusting cylinders can be actuated mechanically and/or pneumatically or hydraulically in order to be able to adjust the lateral inclination of the vehicle 10 .
  • a steering actuator 41 is also shown purely schematically as a dashed rectangle, which can be set up to adjust a steering angle of the front wheels 24a, 24b.
  • the steering actuator 41 can be designed in such a way that it carries out steering movements of the vehicle 10 completely automatically or that manual steering movements by a user are at least partially supported or only manual steering movements by the user are permitted.
  • vehicle 10 in a simplified side view with a front frame module 80 raised or separated from the rest of vehicle 10.
  • the front frame module 80 includes frame sections of the vehicle frame 26, and in this example the windshield 64 and roof 66, connected to the respective frame sections.
  • the front frame module 80 is in 8 shown as a single frame module. However, it is pointed out that it can also be constructed in several parts, for example as a front frame module 82 to which the windshield 64 is attached and as an upper frame module 84 to which the roof 66 is attached. In such a case, the upper frame module 84 could be removed from the vehicle 10 along with the roof 66 as a single frame module to allow for open-top driving, similar to a convertible.
  • FIG 9 shows in partial figures A) to D) schematically and in simplified form the vehicle 10 in the embodiment of FIG Figures 7 and 8 in different assembly and disassembly states.
  • the 9 serves in particular to illustrate the modular structure of the vehicle 10 by way of example.
  • FIG 9A shows the vehicle 10 in a fully assembled state.
  • the left front wheel 24b, the rear wheel 14, the vehicle frame 26, the steering device 30 and the seat device 46 with a seat 50 and a backrest 52 can be seen a roof paneling element 66 comprises.
  • Solar modules 67 can be arranged on the roof cladding element 66 .
  • solar modules 67 can also be provided on the front cladding element 62 .
  • Figure 9B shows a reduced representation of the vehicle 10 as already shown in FIG 8 is shown.
  • the front frame module 80 is shown separated or lifted off from the rest of the vehicle 10 .
  • the front frame module 80 can be detached from the rest of the vehicle 10 as a modular piece.
  • Figure 9C Figure 12 shows, by way of example, that a rear frame module 86 can be separated from or folded forward relative to the remainder of the vehicle 10 .
  • the rear frame module 86 may include the seat back 52, for example.
  • the rear frame module 86 can also have the angle sections 43a, 43b (see 8 ) be assigned.
  • Figure 9D 12 shows a state in which the front frame module 80 is placed over the rear frame module 86 folded forward.
  • the front frame module 80 and the rear frame module 86 rest on a lower frame module 88 .
  • the lower frame module 88 may be the portion of the vehicle 10 to which the front axle assembly 22 and the rear axle assembly 12 are attached. Even if the lower frame module 88 only in relation to the Figure 9D was first mentioned, it is clear that the lower frame module 88 in the other representations of the Figures 9A to 9C is evident.
  • the vehicle 10 has an overall length GL and an overall height GH.
  • the vehicle 10 In a partially dismantled condition according to Figure 9D , which can also be referred to as the transport state or storage state, for example, the vehicle 10 has a transport length TL and a transport height TH.
  • the transport length can be slightly larger than the overall length GL.
  • the transport length corresponds to a maximum of about 1.25 times the total length.
  • the transport length is preferably about 10% to 15% greater than the overall length.
  • the transport height TH is significantly smaller than the total height GH.
  • the transport height can correspond to approximately 0.65 times the total height GH.
  • the transport height TH is about 55% to 40% less than the overall height GH.
  • the vehicle 10 can be assembled and disassembled quickly on the one hand. This is advantageous, for example, if parts of the vehicle 10 have to be replaced as part of repairs or maintenance. For example, if a windshield 64 is worn due to the effects of the weather, stone chipping or the like, or if it has cracks or tears, the vehicle can be repaired quickly by replacing the front frame module 80 without long downtimes arising.
  • the vehicle 10 can be reduced in size in a simple manner due to the modular design in order to transport or store it. This makes it possible, for example, to have more vehicles 10 in their transport state ( Figure 9D ) to store.
  • the steering device 30 can be designed to be removable.
  • the steering assembly 30 can be removed from a handlebar and housed in a storage compartment 68 located behind the front cowl 62 .
  • the steering device 30 can also be constructed in a modular manner.
  • All of the frame modules may be articulated, particularly via a respective articulation assembly which may be fixed and released in position to allow a frame module of interest to be mounted around it Joint can move or fold.
  • the frame modules can be designed so that they can be completely dismantled, for example using plug-in connections, screw connections, pin connections and the like.
  • the front frame module 82 and the upper frame module 84 can be completely detachable from the rest of the vehicle 10, with the rear frame module 86 being connected in an articulated manner to the lower frame module 88 so that the rear Frame module 86 can be opened or closed relative to the lower frame module 88 .
  • the three-wheel electric vehicle described here has a very compact design and takes up very little space or area both in moving traffic and when the vehicle is stationary or parked.
  • the electric vehicle presented is particularly suitable as a means of transportation for individuals in urban environments. Due to its safety-related design and the use of tilting technology, the vehicle can currently be used at a speed of 45 km/h by anyone who has a driver's license for passenger cars or small motorcycles.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Claims (14)

  1. Véhicule électrique à trois roues (10) avec
    un système d'essieu avant (22) avec deux roues avant (24a, 24b) directrices, orientées sensiblement parallèlement l'une à l'autre en ligne droite ;
    un système d'essieu arrière (12) avec une roue arrière (14) entraînée ;
    un châssis de véhicule (26), sur lequel le système d'essieu avant (22) et le système d'essieu arrière (12) sont en appui;
    dans lequel le système d'essieu avant (22) est réalisé de telle manière que le châssis de véhicule (26) et les roues avant (24a, 24b) peuvent être inclinés lors d'un braquage dans la direction de l'angle de braquage ;
    dans lequel une valeur de compacité KW, qui est calculée à partir du rapport entre l'écart SP des roues avant (24A, 24B) l'une par rapport à l'autre disposées sensiblement parallèlement en ligne droite et l'empattement RS mesuré dans la position en ligne droite des roues avant (24, 24b) entre les roues avant (24a, 24b) et la roue arrière (14), remplit la condition suivante : pour KW = SP / RS
    Figure imgb0009
     0,35 ≤ KW ≤ 0,80 ,
    Figure imgb0010
    caractérisé en ce que
    le châssis de véhicule (26, 34a, 34b) est fermé sur soi et est réalisé en périphérie de telle manière qu'il entoure un conducteur, reçu dans le véhicule (10), avec sa partie supérieure du corps et sa tête, et qu'un dispositif de ceinture de sécurité (54) est disposé sur le châssis de véhicule (26, 34a, 34b, 42a, 42b), dans lequel au moins un point de fixation (56) du dispositif de ceinture de sécurité (54) est disposé de telle manière sur le châssis de véhicule (26, 34a, 34b, 42a, 42b) que des forces agissant sur le dispositif de ceinture de sécurité (54) sont appliquées dans une section supérieure et/ou avant du châssis de véhicule (26, 34a, 34b, 42a, 42b),
    dans lequel le système d'essieu avant (22) est relié de manière amovible au châssis de véhicule (26) conjointement avec une cinématique d'inclinaison (32) des roues avant (24a, 24b) directrices en tant qu'une unité globale.
  2. Véhicule électrique à trois roues selon la revendication 1, dans lequel l'empattement RS est inférieur ou égal à 1300 mm, en particulier va de 900 mm à 1100 mm, et l'écart SP entre les roues avant (24a, 24b) disposées sensiblement parallèlement en ligne droite est inférieur ou égal à 1000 mm et est supérieur ou égal à 500 mm, en particulier va de 600 mm à 800 mm.
  3. Véhicule électrique à trois roues selon la revendication 1 ou 2, dans lequel la roue arrière (14) est disposée au centre entre les roues avant (24a, 24b) en ligne droite de telle manière qu'est formé, entre un axe longitudinal (LA) s'étendant au centre du véhicule (10) et une ligne de liaison (VL) imaginaire entre la roue arrière et une des roues avant, un angle (α), qui est supérieur ou égal à 15°, en particulier supérieur ou égal à 17,5°.
  4. Véhicule électrique à trois roues selon l'une des revendications précédentes, dans lequel un système d'assise (46) pour un conducteur du véhicule est disposé sur le châssis de véhicule (26), dans lequel une surface d'assise (48) d'un siège (50) du système d'assise (46) se situe, dans l'état sans charge du véhicule (10), à une hauteur (HS) au-dessus du sol (UG) supportant le véhicule (10), qui est supérieure ou égale à 700 mm.
  5. Véhicule électrique à trois roues selon la revendication 4, dans lequel le siège (50) du système d'assise (46) peut être ajusté par rapport au châssis de véhicule (26) dans le sens longitudinal du véhicule (10), en particulier de 150 à 200 mm le long d'un plan d'ajustement sensiblement parallèle ou incliné par rapport au sol (UG).
  6. Véhicule électrique à trois roues selon l'une des revendications précédentes, dans lequel l'entraînement électrique est réalisé en tant que moteur de moyeu de roue (70), qui agit sur la roue arrière (14).
  7. Véhicule électrique à trois roues selon l'une des revendications précédentes, dans lequel le véhicule (10) présente un ensemble de batteries (72) avec au moins une batterie, dans lequel l'ensemble de batteries (72) est réalisé de telle manière que l'au moins une batterie est reçue dans un ancrage amovible, dans lequel, lorsque la batterie est reçue dans l'ancrage, un contact électrique est établi simultanément de manière amovible par la batterie avec des câbles d'alimentation électrique du véhicule (10), dans lequel de préférence l'ensemble de batteries présente un compartiment de batterie dans un panneau de plancher, qui est pourvu d'un couvercle, dans lequel est prévu sur le couvercle un verrouillage, qui peut être déverrouillé en activant un commutateur ou en déclenchant l'activation sur un appareil de radiocommunication mobile.
  8. Véhicule électrique à trois roues selon l'une des revendications précédentes, dans lequel le système d'essieu arrière (12) est relié de manière amovible au châssis de véhicule conjointement avec une suspension de roue (18) et un système de suspension à ressorts (20) en tant qu'unité.
  9. Véhicule électrique à trois roues selon l'une des revendications précédentes, dans lequel il comprend au moins un actionneur d'inclinaison (33, 35, 37), qui est mis au point pour régler l'inclinaison latérale du véhicule dans des virages.
  10. Véhicule électrique à trois roues selon la revendication 9, dans lequel l'au moins un actionneur d'inclinaison (33, 35, 37) est mis au point pour régler l'inclinaison latérale sur la base d'au moins une grandeur de données de déplacement, en particulier en fonction d'un angle de braquage détecté et/ou de la vitesse du véhicule et/ou de la position latérale à l'oblique du véhicule par rapport au sol.
  11. Véhicule électrique à trois roues selon l'une des revendications précédentes, dans lequel il comprend au moins un actionneur de direction (41), qui est mis au point pour régler un angle de braquage des roues avant (24a, 24b).
  12. Véhicule électrique à trois roues selon la revendication 11, dans lequel l'au moins un actionneur de direction (41) est mis au point pour exécuter totalement automatiquement des manoeuvres ou pour soutenir au moins en partie des manoeuvres manuelles d'un utilisateur ou pour autoriser seulement des manoeuvres manuelles de l'utilisateur.
  13. Véhicule électrique à trois roues selon l'une des revendications précédentes, dans lequel le châssis de véhicule (26) est formé à partir d'au moins deux modules de châssis (80, 82, 84, 86, 88), dans lequel les modules de châssis (80, 82, 84, 86, 88) sont couplés de manière amovible l'un à l'autre et/ou sont couplés de manière mobile l'un par rapport à l'autre, dans lequel de préférence les modules de châssis (80, 82, 84, 86, 88) peuvent être couplés l'un à l'autre ou peuvent être démontés l'un de l'autre sans outil.
  14. Véhicule électrique à trois roues selon la revendication 13, dans lequel il comprend :
    un module de châssis avant (82), sur lequel est disposé un pare-brise (64),
    et/ou un module de châssis arrière (86), sur lequel est disposé un dossier (52) d'un siège de véhicule (46),
    et/ou un module de châssis supérieur (84), sur lequel est disposé un toit de véhicule (66),
    et/ou un module de châssis inférieur (88), sur lequel sont disposés le système d'essieu avant (22) et le système d'essieu arrière (12).
EP19774087.1A 2018-09-21 2019-09-20 Véhicule électrique compact à trois roues Active EP3853110B1 (fr)

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DE102018123252.7A DE102018123252A1 (de) 2018-09-21 2018-09-21 Kompaktes dreirädriges elektrofahrzeug
PCT/EP2019/075416 WO2020058513A1 (fr) 2018-09-21 2019-09-20 Véhicule électrique compact à trois roues

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DE102018123252A1 (de) 2020-03-26
US20210316808A1 (en) 2021-10-14
EP3853110A1 (fr) 2021-07-28
WO2020058513A1 (fr) 2020-03-26

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